Vpath™ Technology
Variable Paths for Maximum Performance

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Vpath™ Technology

Vpath™ Technology allows users of the ATTO ExpressPCI UL4S to own the most flexible single channel card available. This adaptability is achieved through the use of variable paths (hence Vpath) that can take full advantage of Ultra320 speeds and legacy devices simultaneously.


The ATTO ExpressPCI UL4S with Vpath™ Technology offers users a flexible, high-speed SCSI interconnect with data transfer rates of 320 MB/sec. With one external and one internal connector, the UL4S with Vpath Technology allows users to attach Ultra320 drives externally and slower legacy devices internally, or vice versa, without sacrificing performance of high-speed devices to run slower legacy equipment. With Vpath Technology Ultra320 devices are used to their fullest potential without forcing them to run at slower speeds all the while protecting your investment.

ATTO Products with Vpath Technology

  • Maximizes data throughput by simultaneously reading and writing data using both the internal and external connectors

  • Allows the adapter to function similar to a dual channel card by allowing data to be read through port one and written through port two simultaneously, thus improving overall productivity.